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I <br />III IIIIIIIII IIII III <br />999 <br />Region VIII Guidance for Acute Whole Effluent Reporting <br />.;RMITTEE NAME: Western Fuels Co. SITE ID: New Horizon Mine OUTFACE NO: 007 <br />SO% MORTALITY TEST: X Pass Fail LC50: >100%. <br />TEST (AnrmaUAgeJ: Fathead Minnow, 7 days. SAMPLE (Dare/7ype): 12/7/99 Grab. <br />DATE/I IME TEST BEGAN: 12/8/99 1:00 p.m. DATE/I'IME TEST COMPLETED: 12/1 2/99 1:50 p.m. <br />Survival Totals <br /> Dilutions ( % Effluent) <br /> Recon Receiving <br /> <br />Water <br />Water 6.25% 12.5% 25% 50% 100% <br />Initial 20 na 20 20 20 20 20 <br />24 hrs 20 20 20 20 20 20 19 <br />48 hrs 20 na 20 20 20 20 19 <br />72 hrs 20 na 20 20 20 20 19 <br />~Fhra zn na zo zn zn zn i9 <br />Maz/Min Values <br /> Dilutions (% Effluent) <br /> Recon Receiving 6.25% 12.5% 25% ° <br />50 /° ° <br />100 /° <br /> Waler Water <br />Dissolved Oxygen 8.9/6.1 na 9.0/5.7 9.1/6.4 9.4/6.3 9.7/6.6 9.9/7.2 <br />Temnerah~re (°Cl 21.0/192 na 21.0119.2 21.0/192 21 D/142 91.0/142 J I 0/192 <br />Receiviag Water used for Dilution? (Y of N) N <br />Hardness, mg/L CaCO3: Receiving Water na Recon Water 216 Effluent 1540 <br />Initial Total Residual Chlorine, mg/L C12 100°/. Ef0ueot: <Oi05 <br />Reconstituted pH: Initial 8.45 After 24 hours 8.16 <br />Reeefviag Water pH: Initial _na After 24 hours na . <br />pH in 100% E0luent: Initial 7.89 After 24 hours 8.08 <br />Ammonia as N, mg/L: 100% Effluent 0.57 Receiving Water na Recon <0_OS <br />Conductivity, umhos/cm: 100% Effluent 21650 Receiving Water na <br />Alkalinity, mg/L CaCO3: 100% Effluent 390 Receiving Water na <br />Analyst: Lee_ _ Rawlir~s~ ~A,aboratory: Water & Endvonmental Testing. Inc. <br /> <br />Date: Z ~ <br />